show power-over-ethernet

Syntax

show power-over-ethernet brief

Description

Displays the port power status.

  • PoE Port

    Lists all PoE-capable ports on the switch.

  • Power Enable

    Shows Yes for ports enabled to support PoE (the default) and No for ports on which PoE is disabled.

  • Power Priority

    Lists the power priority (Low, High, and Critical) configured on ports enabled for PoE.

  • Alloc by

    Displays how PoE is allocated (usage, class, value)

  • Alloc Power

    The maximum amount of PoE power allocated for that port (expressed in watts.)Default: 17 watts for PoE; 33 watts for PoE+.

  • Actual Power

    The power actually being used on that port.

  • Configured Type

    If configured, shows the user-specified identifier for the port. If not configured, this field is empty.

  • Detection Status:
    • Searching: The port is trying to detect a PD connection.

    • Delivering: The port is delivering power to a PD.

    • Disabled: On the indicated port, either PoE support is disabled or PoE power is enabled but the PoE module does not have enough power available to supply the port's power needs.

    • Fault: The switch detects a problem with the connected PD.

    • Other Fault: The switch has detected an internal fault that prevents it from supplying power on that port.

  • Power Class Shows the 802.3af power class of the PD detected on the indicated port.
    Power Classes

    Power class

    Description

    0

    0.44 to 12.95 watts can be drawn by the PD. Default class.

    1

    0.44 to 3.84 watts

    2

    3.84 to 6.49 watts

    3

    6.49 to 12.95 watts

    4

    For PoE+; up to 25.5 watts can be drawn by the PD

Show power-over-ethernet brief

show power-over-ethernet brief displays this output:

show power-over-ethernet brief command output

You can also show the PoE information by slot:

Showing the PoE information by slot